4 ideas
12708 | The soul is not a substance but a substantial form, the first active faculty [Leibniz] |
16861 | A false theory could hardly rival the explanatory power of natural selection [Darwin] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |